<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>混合布局编程挑战</title>
<style type="text/css">
body{ margin:0; padding:0; font-size:30px; color:#fff}
.top{width:100%;height:100px;background-color:#ffcccc;}
.main{position:relative;left:0;top:0}
.left{width:200px;height:800px;position:absolute;left:0;top:0;background-color:#120023;}
.right{margin:0 0 0 200px;height:800px;background-color:#129023;}
.foot{width:100%;height:100px;background-color:#edaa11;}
</style>

</head>

<body>
<div class="top">top</div>
<div class="main">
    <div class="right">right</div>
    <div class="left">left</div>
</div>
<div class="foot">foot</div>

</body>
</html>